arnold schwarzenegger, answering more questions about his betrayal of maria shriver, his wife of 25 years. we have him on the hot seat and more details from his explosive, new book. >> a lot of people are wondering why is he talking? we'll get to that. >>> also, we'll look at the teacher charged who hired a hitman to take out a fellow teacher. we're going to speak to his co-teachers this morning, to see what drove him to this. >>> and the biggest story in pop music may be cooling off. madonna versus lady gaga. possible tour for them? momma monster. >> is that what they call her? >> we'll tell you how momma monster received it. >>> and she made a name for herself as the smoking orangutan. but now, happy news on several fronts for an animal that many conservationists were worried about. the surprise twist that is both adorable and moving. >>> we're going to start this morning with the latest headlines. for that, we go to mr. ron claiborne. >> we're going to begin with the amber alert out of tennessee, which was issued overnight in tennessee, looking for those two children missing since thei